mddi: Support for custom framebuffer base address.
mddi: Support for custom framebuffer base address.

To use the custom base address.
 - Add MDDI_FB_ADDR with the address to DEFINES, as shown on LCDC_FB_ADDR.

Change-Id: I64ed1f00b8b61f4f59f2122ceb2304e57ea904c0

Blefish/android_bootable_bootloader_lk,Blefish/android_bootable_bootloader_lk,Blefish/android_bootable_bootloader_lk,Blefish/android_bootable_bootloader_lk,Blefish/android_bootable_bootloader_lk